Home / 12,643,346.46-17,447,860.98-6,842,126.46

Finding the Fourth Proportional to 12,643,346.46, 17,447,860.98 and 6,842,126.46

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Solution

The fourth proportional to 12,643,346.46, 17,447,860.98 and 6,842,126.46 is: 9,442,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,346.46 : 17,447,860.98 = 6,842,126.46 : x
  2. Step 2: Convert to fraction form
    12,643,346.46/17,447,860.98 = 6,842,126.46/x
  3. Step 3: Cross multiply
    12,643,346.46x = 17,447,860.98 × 6,842,126.46
  4. Step 4: Simplify right side
    12,643,346.46x = 119,380,471,281,659.53
  5. Step 5: Solve for x
    x = 119,380,471,281,659.53/12,643,346.46
  6. Step 6: Final answer
    x = 9,442,157.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.